Testosterone, Free and Total (Includes Sex Hormone Binding Globulin), Females or Children TFTFC
|Method(s)||Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry/Electrochemiluminescent Immunoassay|
5 mL gold (SST) top tube. Collect between 6-10 am.
Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum refrigerated to a Standard Transport Tube. (Min: 0.8 mL)
This test is suggested for women and children due to an improved sensitivity of testosterone by LC-MS/MS.
After separation from cells: Ambient: 24 hours; Refrigerated: 1 week; Frozen: 6 months
|Preferred Specimen Collection Device(s)|